80100827828 has 36 divisors (see below), whose sum is σ = 163907359812. Its totient is φ = 34151040000.

The previous prime is 80100827813. The next prime is 80100827837. The reversal of 80100827828 is 82872800108.

It can be written as a sum of positive squares in 2 ways, for example, as 54283408144 + 25817419684 = 232988^2 + 160678^2 .

It is a super-2 number, since 2×80100827828² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1020923 + ... + 1096578.

It is an arithmetic number, because the mean of its divisors is an integer number (4552982217).

Almost surely, 2^80100827828 is an apocalyptic number.

It is an amenable number.

80100827828 is an abundant number, since it is smaller than the sum of its proper divisors (83806531984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80100827828 is a wasteful number, since it uses less digits than its factorization.

80100827828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117712 (or 2117703 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 44.

The spelling of 80100827828 in words is "eighty billion, one hundred million, eight hundred twenty-seven thousand, eight hundred twenty-eight".